Examine source code of Purple patches

{
  "theme": {
    "images": {
      "theme_frame": "jane.jpg"
    },
    "colors": {
      "frame": "#fcfcfc",
      "tab_background_text": "#030303"
    }
  },
  "version": "2.0",
  "name": "Purple patches",
  "manifest_version": 2,
  "description": "... sometimes called a weed by farmers, the Salvation Jane flowers paints hills and paddocks a wonderful purple in season"
}